DATA TECHNOLOGY CORPORATION DTC2278VL (900085-89B/D) Data bus: 32-bit, VL-bus Size: Three/quarter-length, half-height card Hard drive supported: Two IDE (AT) interface drives Floppy drives Two 360KB, 720KB, 1.2MB or 1.44MB drives supported: [Image] CONNECTIONS Function Location 4-pin connector - drive active LED J1 40-pin IDE (AT) interface connector - port 1 J2 34-pin control cabled connector - floppy drive J3 Game port J4 9-pin serial port 2 - external J5 10-pin serial port 1 - internal J6 25-pin parallel port J7 USER CONFIGURABLE SETTINGS Function Location Setting » IDE IRQ14 enabled W6 pins 1 & 2 closed IDE IRQ15 enabled W6 pins 2 & 3 closed » Parallel port is output only W17 pins 1 & 2 closed Parallel port is input/output W17 pins 2 & 3 closed » Game port enabled W26 closed Game port disabled W26 open IDE DATA TRANSFER RATES (FOR 33MHZ VL-BUS PC) Rate W1 W2 W3 W4 W5 » 3.9MB/s pins 1 & pins 2 & pins 2 & pins 2 & pins 1 & 2 3 3 3 2 3.3MB/s pins 2 & pins 2 & pins 1 & pins 2 & pins 1 & 3 3 2 3 2 3.5MB/s pins 2 & pins 1 & pins 2 & pins 2 & pins 1 & 3 2 3 3 2 3.7MB/s pins 2 & pins 1 & pins 1 & pins 2 & pins 1 & 3 2 2 3 2 4.2MB/s pins 1 & pins 2 & pins 1 & pins 2 & pins 1 & 2 3 2 3 2 4.4MB/s pins 1 & pins 1 & pins 2 & pins 2 & pins 1 & 2 2 3 3 2 4.8MB/s pins 1 & pins 1 & pins 1 & pins 2 & pins 1 & 2 2 2 3 2 5.1MB/s pins 2 & pins 2 & pins 2 & pins 1 & pins 1 & 3 3 3 2 2 5.6MB/s pins 2 & pins 2 & pins 1 & pins 1 & pins 1 & 3 3 2 2 2 6.1MB/s pins 2 & pins 1 & pins 2 & pins 1 & pins 1 & 3 2 3 2 2 6.7MB/s pins 2 & pins 1 & pins 1 & pins 1 & pins 1 & 3 2 2 2 2 7.4MB/s pins 1 & pins 2 & pins 2 & pins 1 & pins 1 & 2 3 3 2 2 8.3MB/s pins 1 & pins 1 & pins 1 & pins 1 & pins 1 & 2 2 2 2 2 Note:The pins indicated should be closed. IDE DATA TRANSFER RATES (FOR NON-33MHZ VL-BUS PC) Rate W1 W2 W3 W4 W5 3.3MB/s pins 1 & pins 2 & pins 1 & pins 2 & pins 2 & 3 2 3 2 3 3.6MB/s pins 1 & pins 1 & pins 2 & pins 2 & pins 2 & 3 2 2 3 3 3.8MB/s pins 1 & pins 1 & pins 1 & pins 2 & pins 2 & 3 2 2 2 3 4.2MB/s pins 2 & pins 2 & pins 2 & pins 1 & pins 2 & 3 3 3 3 2 4.5MB/s pins 2 & pins 2 & pins 1 & pins 1 & pins 2 & 3 3 3 2 2 5.0MB/s pins 2 & pins 1 & pins 2 & pins 1 & pins 2 & 3 3 2 3 2 5.6MB/s pins 2 & pins 1 & pins 1 & pins 1 & pins 2 & 3 3 2 2 2 6.3MB/s pins 1 & pins 2 & pins 2 & pins 1 & pins 2 & 3 2 3 3 2 7.2MB/s pins 1 & pins 1 & pins 1 & pins 1 & pins 2 & 3 2 2 2 2 Note:The pins indicated should be closed. FLOPPY DRIVE CONFIGURATION Address W7 W10 » 3F0h pins 2 & 3 closed pins 1 & 2 closed 370h pins 1& 2 closed pins 1 & 2 closed Disabled N/A pins 2 & 3 closed IDE CONFIGURATION Address W8 W9 » 1F0h pins 2 & 3 closed pins 1 & 2 closed 170h pins 1& 2 closed pins 1 & 2 closed Disabled N/A pins 2 & 3 closed SERIAL PORT 1 CONFIGURATION COM/Address W11 W12 » COM1/3F8h pins 1 & 2 closed pins 2 & 3 closed COM3/3E8h pins 2 & 3 closed pins 1 & 2 closed COM4/2E8h pins 1& 2 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 1 INTERRUPT SELECT IRQ W18 W19 W20 » IRQ4 closed open open IRQ3 open closed open IRQ5 open open closed Disabled open open open SERIAL PORT 2 CONFIGURATION COM/Address W13 W14 » COM2/2F8h pins 1 & 2 closed pins 2 & 3 closed COM3/3E8h pins 1 & 2 closed pins 1 & 2 closed COM4/2E8h pins 2 & 3 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 2 INTERRUPT SELECT IRQ W21 W22 W23 » IRQ3 closed open open IRQ4 open closed open IRQ5 open open closed Disabled open open open PARALLEL PORT CONFIGURATION LPT/Address W15 W16 » LPT1/378h pins 2 & 3 closed pins 1& 2 closed LPT2/278h pins 1& 2 closed pins 2 & 3 closed LPT3/3BCh pins 1& 2 closed pins 1 & 2 closed Disabled pins 2 & 3 closed pins 2 & 3 closed PARALLEL PORT INTERRUPT SELECT IRQ W24 W25 » IRQ7 closed open IRQ5 open closed Disabled open open